This old configuration of an audio amplifier has a push-pull two-transistor output stage. Output power is low and the critical components are the transformers. The circuit was found in an 1958’s publication.
This circuit was found in a 1989 documentation and was intended to be part of a presence...
This interesting circuit was obtained from a 90's EDN. What it does is generate negative voltages...
This circuit is from the LM3914 manual and can be found elsewhere on this site and from other...